I'm not a specialist. I just trust my ears. I have just replaced my BX2 with a pair of Focal Chorus 714 (2013 edition). Incredible.They are front ported and they work well with my small Marantz PM5004. They are recommended for rooms up to 20m2. For larger rooms there is 716 (I think).
VPI Scout / Benz Micro Ace L, Moon 310 LP, Audiolab 8200CD, Accuphase E-350, Focal Electra 1008Be